a flat, shallow container or receptacle made of wood, metal, etc., usually with slightly raised edges, used for carrying, holding, or displaying articles of food, glass, china, etc.

a removable receptacle of this shape in a cabinet, box, trunk, or the like, sometimes forming a drawer.

a tray and its contents

to order a breakfast tray from room service.

noun

board , coaster , plate , plateau , platter , salver , server , waiter